Home / 20,385.03-30,576.06-6,344.67

Finding the Fourth Proportional to 20,385.03, 30,576.06 and 6,344.67

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Solution

The fourth proportional to 20,385.03, 30,576.06 and 6,344.67 is: 9,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.03 : 30,576.06 = 6,344.67 : x
  2. Step 2: Convert to fraction form
    20,385.03/30,576.06 = 6,344.67/x
  3. Step 3: Cross multiply
    20,385.03x = 30,576.06 × 6,344.67
  4. Step 4: Simplify right side
    20,385.03x = 193,995,010.60
  5. Step 5: Solve for x
    x = 193,995,010.60/20,385.03
  6. Step 6: Final answer
    x = 9,516.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.